Slider - This program shows how many diferent colors a vga can show in dos mode using C++

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Home » C++ Home » Computer Graphics Home » Slider - This program shows how many diferent colors a vga can show in dos mode using C++

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Title	Slider - This program shows how many diferent colors a vga can show in dos mode using C++
Author	Kirti Dhruva
Author Email	dmwinc2000 [at] yahoo.com
Description	Slider - This program shows how many diferent colors a vga can show in dos mode using c++.
Category	C++ » Computer Graphics
Hits	367687
Code	Select and Copy the Code
:/***************************************************************/ / This is a small program to illustrate the different / / colors that can be generated with a VGA in 256 Color / / mode or a IBM-8514 graphics adapter in dos.This program / / uses a grphical interface for ease. / / This little program can prove to be a great / / for those who waana know the right amount intensities / / to be used for red, green and blue to make a particular / / shade. / /**************************************************************/ / Compiled with Turbo C++ Version 3.0 / / Date:4th december,2002 / / Name of the programmer: KIRTI DHRUVA / / Nationality:Indian(delhi) / / Email ID:dmwinc2000@yahoo.com / /**************************************************************/ / Legal Warning: / / 1. You can redistribute this utility untill this / / file is kept intact. / / 2. Redistribution should be free of cost. / / 3. You can use this code in your program by mentioning / / my name in the that program. / / 4. This ultility can not be sold under any circumtances / / without the authors permission. / /**************************************************************/ / CONTROLS: / / esc=exit / / up arrow=focus up / / down arrow=focus down / / left arrow=move focused slider towards left / / right arrow=move focused slider towards right / / 1=wild mode on (random events occurs) / / 2=wild mode off / /**************************************************************/ #include<iostream.h> //for cin,cout,etc. #include<graphics.h> //for graphics functions. #include<conio.h> //for getch(). #include<stdio.h> //for sprintf(). #include<stdlib.h> //for randomiz(),random(),etc. class slider { static const xst;//its const as all three sliders have same x-coord. static int count;//counts the no. of object being created. int yst; //to assign diff y co-ord. using count. int x; //actual x-coordinate of the button that moves on slider. public: slider() //zero arg. constructor just to make compiler happy. { }; slider(int a)//one arg construstor. { count++; //This function accepts value for each slider. yst=count40; //and before assigning the values it validates if(a>=65) //them b/w 1 and 64 but the actual value that a=64; //that gets assigned to the var. x is one less if(a<1) //than the value supplied to the constructor. a=1; x=4*(a-1); } void makeslider() //it draws slider. { setcolor(WHITE); line(xst,yst,xst+256,yst); setfillstyle(1,WHITE); rectangle(xst+x,yst-10,xst+x+4,yst+10); } void slideright() //it shifts the slider one pos. right { if(x>248) return; setcolor(getbkcolor()); setfillstyle(1,getbkcolor()); rectangle(xst+x,yst-10,xst+x+4,yst+10); x+=4; makeslider(); } void slideleft() //it shifts the slider one pos. left { if(x<4) return; setcolor(getbkcolor()); setfillstyle(1,getbkcolor()); rectangle(xst+x,yst-10,xst+x+4,yst+10); x-=4; makeslider(); } friend void showcol(slider r,slider g,slider b); }; //this function had to be a friend func. so that it can pass three objects //to the function setrgbpalette(). void showcol(slider r,slider g,slider b) { char arr[30]="

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